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Finding the Fourth Proportional to 5,437.50, 8,156.25 and 2,359.50

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Solution

The fourth proportional to 5,437.50, 8,156.25 and 2,359.50 is: 3,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.50 : 8,156.25 = 2,359.50 : x
  2. Step 2: Convert to fraction form
    5,437.50/8,156.25 = 2,359.50/x
  3. Step 3: Cross multiply
    5,437.50x = 8,156.25 × 2,359.50
  4. Step 4: Simplify right side
    5,437.50x = 19,244,671.88
  5. Step 5: Solve for x
    x = 19,244,671.88/5,437.50
  6. Step 6: Final answer
    x = 3,539.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.